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Quantum Light Swimmer Breaks Newton's Third Law by Moving Upstream

Researchers demonstrate an artificial swimmer made of quantum light that moves upstream in a fluid, violating the principle that every action has an equal and opposite reaction.

2 publishers · 2 articles · first seen 21 Sept 2026 · updated 45d ago

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The story so far

2 publishers have covered this in 2 articles since 21 Sept 2026. New Scientist published first, on 21 September at 16:00 UTC; Phys.org - latest science and technology news stories followed 28h 10m later. The most recent article, from Phys.org - latest science and technology news stories, appeared on 22 September at 20:10 UTC.

Outlets reporting it: New Scientist, Phys.org - latest science and technology news stories.

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Sources

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  1. Light beam 'swims' upstream through a quantum fluid by violating Newton's third law Phys.org - latest science and technology news stories
  2. Swimmer made of quantum light breaks Newton’s third law New Scientist
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